line frequency

简明释义

行频

英英释义

例句

1.The inverter must be compatible with the local line frequency 线路频率 for optimal performance.

逆变器必须与当地的线路频率 兼容，以实现最佳性能。

2.Some devices can operate on both 60 Hz and 50 Hz line frequencies 线路频率.

某些设备可以在60赫兹和50赫兹的线路频率 下运行。

3.The power supply operates at a standard line frequency 线路频率 of 50 Hz in most countries.

在大多数国家，电源以标准的线路频率 50赫兹运行。

4.You need to check the line frequency 线路频率 before connecting your equipment to avoid damage.

在连接设备之前，你需要检查线路频率 以避免损坏。

5.High-frequency noise can interfere with the line frequency 线路频率 signal.

高频噪声可能会干扰线路频率 信号。

作文

Understanding the concept of line frequency is crucial in the field of electrical engineering and telecommunications. Line frequency refers to the frequency at which alternating current (AC) power is delivered to consumers. In most countries, this frequency is standardized at either 50 Hz or 60 Hz. The significance of line frequency cannot be overstated, as it impacts the performance and efficiency of electrical devices and systems. To grasp the importance of line frequency, we must first understand what alternating current is. Unlike direct current (DC), where the flow of electric charge is unidirectional, AC changes direction periodically. This characteristic allows AC to be transmitted over long distances with minimal energy loss, making it the preferred choice for power distribution. However, the effectiveness of AC transmission heavily relies on maintaining a consistent line frequency. When electrical devices are designed, they are often calibrated to operate optimally at a specific line frequency. For example, motors, transformers, and other machinery have components that rely on this frequency to function correctly. If the line frequency deviates from the standard, it can lead to inefficiencies, overheating, and even damage to the equipment. Therefore, understanding and maintaining the correct line frequency is essential for operational reliability. In addition to its impact on individual devices, line frequency also plays a vital role in the stability of the entire power grid. Power generation and consumption must be balanced to maintain a stable line frequency. When demand exceeds supply, the line frequency may drop, leading to potential blackouts. Conversely, if supply exceeds demand, the frequency can rise, which may cause damage to generators and other infrastructure. Thus, operators of power grids continuously monitor and adjust the line frequency to ensure stability. Moreover, the line frequency can vary between regions, which poses challenges for international electrical equipment manufacturers. Devices designed for one frequency may not perform well, or at all, when used in a region with a different line frequency. This necessitates the use of frequency converters or specialized equipment that can adapt to varying line frequencies. The implications of line frequency extend beyond technical considerations; they also influence economic factors. Regions with a stable and reliable line frequency are more attractive to industries that rely heavily on electrical power. As such, countries invest significantly in maintaining and upgrading their power infrastructure to ensure a consistent line frequency. In conclusion, line frequency is a fundamental aspect of electrical engineering that affects everything from device performance to grid stability and economic viability. A thorough understanding of line frequency is essential for engineers, technicians, and policymakers alike. As technology continues to evolve, the importance of maintaining an optimal line frequency will only grow, highlighting the need for ongoing research and development in this critical area of study.

理解线频率的概念在电气工程和电信领域至关重要。线频率是指交流电（AC）电力传递给消费者的频率。在大多数国家，这一频率标准化为50赫兹或60赫兹。线频率的重要性不容小觑，因为它影响着电气设备和系统的性能与效率。为了理解线频率的重要性，我们首先必须了解交流电是什么。与电流（DC）中电荷流动单向不同，交流电周期性地改变方向。这一特性使得交流电能够以最小的能量损失远距离传输，从而成为电力分配的首选。然而，交流电传输的有效性在很大程度上依赖于保持一致的线频率。当电气设备被设计时，它们通常会被校准以在特定的线频率下最佳运行。例如，电动机、变压器和其他机械设备的组件依赖于这一频率来正常工作。如果线频率偏离标准，可能导致效率低下、过热甚至设备损坏。因此，理解和维护正确的线频率对于操作的可靠性至关重要。除了对单个设备的影响外，线频率在整个电网的稳定性中也扮演着重要角色。发电和消费必须平衡，以维持稳定的线频率。当需求超过供应时，线频率可能会下降，导致潜在的停电。相反，如果供应超过需求，频率可能会上升，这可能会对发电机和其他基础设施造成损害。因此，电网运营商持续监测和调整线频率以确保稳定。此外，线频率在不同地区之间可能会有所不同，这给国际电气设备制造商带来了挑战。为一种频率设计的设备在不同线频率的区域中可能表现不佳，甚至无法使用。这就需要使用频率转换器或能够适应不同线频率的专用设备。线频率的影响不仅限于技术考量；它们还影响经济因素。拥有稳定可靠的线频率的地区对依赖电力的工业更具吸引力。因此，各国在维护和升级电力基础设施方面投入了大量资金，以确保一致的线频率。总之，线频率是电气工程的一个基本方面，影响着从设备性能到电网稳定性和经济可行性的一切。对于工程师、技术人员和政策制定者来说，深入理解线频率至关重要。随着技术的不断发展，维护最佳线频率的重要性只会增加，这突显了在这一关键研究领域持续进行研究和开发的必要性。